TeliApp Corporation — IT and cybersecurity for New Jersey government
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Multiple vulnerabilities have been discovered in Microsoft products, the most severe of which could allow for remote code execution in the context of the logged on user. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less impacted than those who operate with administrative user rights. THREAT INTELLIGENCE: There are currently no reports of these vulnerabilities being exploited in the wild. SYSTEMS AFFECTED:
  • Windows Storage Management Provider
  • Windows Cryptographic Services
  • .NET and Visual Studio
  • Windows Remote Desktop Services
  • Windows Win32K - GRFX
  • Windows Common Log File System Driver
  • Windows Installer
  • Remote Desktop Client
  • Windows Media
  • Windows SMB
  • Windows Recovery Driver
  • Windows Storage Port Driver
  • Windows Local Security Authority Subsystem Service (LSASS)
  • Windows DHCP Server
  • Windows DWM Core Library
  • WebDAV
  • Microsoft Local Security Authority Server (lsasrv)
  • Windows Local Security Authority (LSA)
  • Windows Routing and Remote Access Service (RRAS)
  • Windows Kernel
  • Windows Standards-Based Storage Management Service
  • App Control for Business (WDAC)
  • Windows Netlogon
  • Windows KDC Proxy Service (KPSSVC)
  • Windows Shell
  • Microsoft Office
  • Microsoft Office SharePoint
  • Microsoft Office Excel
  • Microsoft Office Word
  • Microsoft Office Outlook
  • Microsoft Office PowerPoint
  • Windows Remote Access Connection Manager
  • Windows Security App
  • Visual Studio
  • Windows SDK
  • Power Automate
  • Microsoft AutoUpdate (MAU)
  • Windows Hello
  • Nuance Digital Engagement Platform
RISK: Government:
  • Large and medium government entities: High
  • Small government entities: Medium
Businesses:
  • Large and medium business entities: High
  • Small business entities: Medium
Home users: Low TECHNICAL SUMMARY: Multiple vulnerabilities have been discovered in Microsoft products, the most severe of which could allow for remote code execution. A full list of all vulnerabilities can be found in the Microsoft link in the References section. Successful exploitation of the most severe of these vulnerabilities could result in an attacker gaining the same privileges as the logged-on user. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less impacted than those who operate with administrative user rights. RECOMMENDATIONS: We recommend the following actions be taken:
  • Apply appropriate patches or appropriate mitigations provided by Microsoft to vulnerable systems immediately after appropriate testing. (M1051: Update Software)
    • Safeguard 7.1: Establish and Maintain a Vulnerability Management Process: Establish and maintain a documented vulnerability management process for enterprise assets. Review and update documentation annually, or when significant enterprise changes occur that could impact this Safeguard.
    • Safeguard 7.4: Perform Automated Application Patch Management: Perform application updates on enterprise assets through automated patch management on a monthly, or more frequent, basis.
  • Apply the Principle of Least Privilege to all systems and services and run all software as a non-privileged user (one without administrative rights) to diminish the effects of a successful attack. (M1026: Privileged Account Management)
    • Safeguard 4.7: Manage Default Accounts on Enterprise Assets and Software: Manage default accounts on enterprise assets and software, such as root, administrator, and other pre-configured vendor accounts. Example implementations can include: disabling default accounts or making them unusable.
    • Safeguard 5.4: Restrict Administrator Privileges to Dedicated Administrator Accounts: Restrict administrator privileges to dedicated administrator accounts on enterprise assets. Conduct general computing activities, such as internet browsing, email, and productivity suite use, from the user’s primary, non-privileged account.
  • Remind all users not to visit untrusted websites or follow links/open files provided by unknown or untrusted sources. (M1017: User Training)
    • Safeguard 14.1: Establish and Maintain a Security Awareness Program: Establish and maintain a security awareness program. The purpose of a security awareness program is to educate the enterprise’s workforce on how to interact with enterprise assets and data in a secure manner. Conduct training at hire and, at a minimum, annually. Review and update content annually, or when significant enterprise changes occur that could impact this Safeguard.
    • Safeguard 14.2: Train Workforce Members to Recognize Social Engineering Attacks: Train workforce members to recognize social engineering attacks, such as phishing, pre-texting, and tailgating.
  • Use capabilities to prevent suspicious behavior patterns from occurring on endpoint systems. This could include suspicious process, file, API call, etc. behavior. (M1040: Behavior Prevention on Endpoint)
    • Safeguard 13.2 : Deploy a Host-Based Intrusion Detection Solution: Deploy a host-based intrusion detection solution on enterprise assets, where appropriate and/or supported.
    • Safeguard 13.7 : Deploy a Host-Based Intrusion Prevention Solution: Deploy a host-based intrusion prevention solution on enterprise assets, where appropriate and/or supported. Example implementations include use of an Endpoint Detection and Response (EDR) client or host-based IPS agent.
REFERENCES:
Microsoft: https://msrc.microsoft.com/<wbr />update-guide/releaseNote/2025-<wbr />Jun https://msrc.microsoft.com/<wbr />update-guide